CN109276827B - Movable superfine water mist fire extinguishing equipment for underground deep-pit cable tunnel - Google Patents
Movable superfine water mist fire extinguishing equipment for underground deep-pit cable tunnel Download PDFInfo
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- CN109276827B CN109276827B CN201810986951.9A CN201810986951A CN109276827B CN 109276827 B CN109276827 B CN 109276827B CN 201810986951 A CN201810986951 A CN 201810986951A CN 109276827 B CN109276827 B CN 109276827B
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- placing platform
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 160
- 239000003595 mist Substances 0.000 title claims abstract description 67
- 239000002184 metal Substances 0.000 claims abstract description 48
- 238000012544 monitoring process Methods 0.000 claims abstract description 30
- 238000005507 spraying Methods 0.000 claims abstract description 22
- 230000033001 locomotion Effects 0.000 claims abstract description 11
- 239000007921 spray Substances 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 abstract description 17
- 231100000956 nontoxicity Toxicity 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010892 electric spark Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention provides movable superfine water mist fire extinguishing equipment for an underground deep-pit cable tunnel, which comprises two metal guide rails and a movable superfine water mist fire extinguishing device, wherein the movable superfine water mist fire extinguishing device comprises a placing platform, a superfine water mist fire extinguishing mechanism, a reciprocating driving mechanism and a camera shooting mechanism, and the superfine water mist fire extinguishing mechanism is arranged on the placing platform and is used for spraying superfine water mist to extinguish fire; the reciprocating driving mechanism is used for driving the placing platform to do reciprocating motion on the metal guide rail; the camera shooting mechanism comprises a camera shooting assembly and a monitoring display, the camera shooting assembly is used for shooting cable running images of target areas on two side walls of the tunnel and transmitting the images to the monitoring display, and the monitoring display supplies power for the camera shooting assembly and displays the images shot by the camera shooting assembly in real time. The invention can meet the technical requirement of quickly extinguishing the fire of the underground deep-pit cable tunnel, and can also achieve the aims of no toxicity, no harm, no pollution and low fire extinguishing cost of the discharged fire extinguishing agent.
Description
Technical Field
The invention relates to the technical field of fire fighting and fire safety, in particular to a movable superfine water mist fire extinguishing device for an underground deep-pit cable tunnel.
Background
In recent years, in order to meet the demand of city appearance development, power supply cables of some coastal cities or inland mountain cities in China are arranged into underground deep-pit tunnels with the depth of five to sixty meters and are arranged in rows, and the length of the arranged tunnels can reach more than ten kilometers. Although the fire extinguishing efficiency is high, the storage period of the fire extinguishing agents is short, the fire extinguishing agents sprayed by the superfine water mist fire extinguishing devices can form poisonous and harmful superfine water mist and are difficult to completely discharge out of underground deep-pit cable tunnels, long-term overstocking can threaten the life safety of equipment maintenance personnel in the tunnels, and the spraying of the dry powder fire extinguishing agents is easy to cause secondary pollution; meanwhile, both the dry powder extinguishing agent and the superfine water mist extinguishing agent are expensive, the cost of the extinguishing agent consumed by one-time fire extinguishing is high, and the reserve storage capacity of the dry powder extinguishing agent in each unit is limited.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides movable superfine water mist fire extinguishing equipment for an underground deep-pit cable tunnel.
The invention provides a movable superfine water mist fire extinguishing device for an underground deep-pit cable tunnel, which comprises two metal guide rails which are arranged in parallel and horizontally and a movable superfine water mist fire extinguishing device, wherein:
the movable superfine water mist fire extinguishing device comprises a placing platform, a superfine water mist fire extinguishing mechanism, a reciprocating driving mechanism and a camera shooting mechanism, wherein the superfine water mist fire extinguishing mechanism, the reciprocating driving mechanism and the camera shooting mechanism are arranged on the placing platform;
the superfine water mist fire extinguishing mechanism comprises a clean water storage tank, a water conveying ring pipe, two water conveying pipes, a water conveying connecting pipe, a storage tank support, a spray control button and a spray control power supply, wherein the clean water storage tank is placed on the placing platform, the clean water storage tank is provided with a bottle head valve communicated with the interior of the clean water storage tank, the water conveying ring pipe is provided with a plurality of superfine water mist nozzles, the two water conveying pipes are arranged inside the water conveying ring pipe and are in cross connection with the two water conveying pipes, the two ends of each water conveying pipe are communicated with the water conveying ring pipe, one end of the water conveying connecting pipe is communicated with the joint of the two water conveying pipes, and the other end of the; the storage tank support comprises a ring hoop sleeved outside the clean water storage tank, a plurality of support legs fixed on the placing platform are arranged at the bottom of the ring hoop, one end of the spraying control button is connected with a spraying control power supply through a cable, and the other end of the spraying control button is connected with the bottle head valve through a cable and used for controlling the opening or closing of the bottle head valve;
the reciprocating driving mechanism is used for driving the placing platform to reciprocate on the two metal guide rails;
the camera shooting mechanism comprises a camera shooting component and a monitoring display, the camera shooting component is used for shooting cable running images of target areas on two side walls of the tunnel and transmitting the images to the monitoring display, and the monitoring display supplies power to the camera shooting component and displays the images shot by the camera shooting component in real time;
under the working state, the reciprocating driving mechanism and the monitoring display are connected with an external power supply, the reciprocating driving mechanism drives the placing platform to do reciprocating motion on the two metal guide rails, meanwhile, the plurality of camera components work to shoot running images of cables on two side walls of the tunnel, the camera components transmit the images of the running conditions of the cables back to the monitoring display and display the images on the monitoring display in real time, when the cables are found to be on fire, the monitoring display controls the reciprocating driving mechanism to drive the placing platform to move to the position near the firing cables, then the reciprocating driving mechanism is disconnected from the external power supply, the reciprocating driving mechanism stops working, the spraying control button is started to open the bottle head valve, clean water in the clean water storage tank is sprayed out from the clean water storage tank under the pressure effect, and the clean water enters the superfine water spray nozzle through the bottle head valve, the water conveying connecting pipe, the water conveying pipe and the superfine water spray nozzle reaches the area of the combustion.
Preferably, the water delivery collar is secured to the mounting platform by a plurality of nozzle supports.
Preferably, the camera shooting assembly comprises a camera shooting support, a plurality of cameras and a plurality of illuminating lamps, the camera shooting support is installed on the placing platform, the cameras are all installed on the camera shooting support and used for shooting cable running images of target areas on two side walls of the tunnel, and the illuminating lamps are all installed on the camera shooting support.
Preferably, the reciprocating driving mechanism comprises a driving motor, a main driving wheel, a driving shaft, a secondary driving wheel, a driving belt, two traveling driving wheels, two traveling driven wheels, two driving power rods, a driving power controller and an electric brush, wherein the driving motor is installed on the placing platform, the driving motor is connected with the main driving wheel and used for driving the main driving wheel to rotate, the two traveling driving wheels are rotatably installed at two angular positions at one end of the bottom of the placing platform, the two traveling driving wheels are respectively and slidably installed on the two metal guide rails, the two traveling driven wheels are rotatably installed at two angular positions at the other end of the bottom of the placing platform, the two traveling driven wheels are respectively and slidably installed on the two metal guide rails, two ends of the driving shaft are respectively connected with the two traveling driving wheels; two brushes are installed and are being laid platform bottom and brush and driving motor and be connected, and two brushes respectively with two drive power pole movable contact and can follow drive power pole extending direction and remove, two drive power pole settings between two metal guide rails and the extending direction of drive power pole is unanimous with the extending direction of metal guide rail, and the drive power pole passes through the cable and is connected with drive power controller, and drive power controller is connected with external power source.
Preferably, the reciprocating driving mechanism further comprises four limiting wheels, the four limiting wheels are mounted at four corners of the bottom of the placing platform through limiting frames, the limiting wheels are horizontally arranged, and the limiting wheels are tightly attached to the metal guide rails.
Preferably, the electric brush comprises an electric brush rod and an electric brush head, one end of the electric brush rod is fixedly arranged at the bottom of the placing platform through an electric brush fixing head, the other end of the electric brush rod is provided with an elastic cover, and the elastic cover is connected with the electric brush head which is movably pressed and contacted with the surface of the driving power supply rod through a connecting rod; preferably, both ends of the driving power rod are provided with rod heads for blocking the electric brushes from moving.
Preferably, a plurality of guide rail brackets fixed on the ground are arranged at intervals at the bottom of the metal guide rail along the extension direction of the metal guide rail, and the guide rail brackets are connected with the metal guide rail through fixing clamps; preferably, both ends of the metal guide rail are provided with limiting rods, and the movable superfine water mist fire extinguishing device does reciprocating motion between the two limiting rods.
Preferably, two shields are arranged between the two metal guide rails, the bottoms of the two shields are provided with fixing frames fixed on the ground, the shields are fixed on the fixing frames through fixing clips, and the two driving power supply rods are respectively arranged in the two shields.
Preferably, a cable groove fixed on the ground is provided between the two shields.
Preferably, the periphery of the placing platform is provided with a fence.
When the fire extinguishing device works, the reciprocating driving mechanism and the monitoring display are connected with an external power supply, the reciprocating driving mechanism works to drive the placing platform to do reciprocating motion on the two metal guide rails, meanwhile, the plurality of camera assemblies work to shoot running images of cables on two side walls of a tunnel, the camera assemblies transmit the images of the running conditions of the cables back to the monitoring display and display the images on the monitoring display in real time, when the cables are found to be on fire, the monitoring display controls the reciprocating driving mechanism to drive the placing platform to move to the vicinity of the firing cables, then the reciprocating driving mechanism is disconnected from the external power supply, the reciprocating driving mechanism stops working, the spraying control button is started to open the bottle head valve, clean water in the clean water storage tank is sprayed out of the clean water storage tank under the pressure effect, enters the superfine water spray nozzle through the bottle head valve, the water conveying connecting pipe, the water conveying pipe and the water conveying ring pipe and the superfine water spray nozzle and is sprayed out of the superfine water spray nozzle to.
The movable superfine water mist fire extinguishing device for the underground deep-pit cable tunnel can meet the technical requirement of quick fire extinguishing of the underground deep-pit cable tunnel fire, and can achieve the aims that a fire extinguishing agent discharged during fire extinguishing is nontoxic, harmless, pollution-free, clean and environment-friendly; the fire extinguishing agent not only can meet the purpose of controlling fire in underground deep-pit cable tunnels, but also can meet the requirement of low fire extinguishing cost, and can greatly prolong the service life of the fire extinguishing agent or the protection period of replacing the fire extinguishing device once, so that the service life of the fire extinguishing agent can be prolonged to 10-15 years or even longer; not only ensures the purpose of quick and effective fire extinguishing, but also has the advantages of small volume, economy and applicability, and convenient installation, reconstruction and maintenance.
Drawings
FIG. 1 is a schematic structural diagram of a mobile superfine water mist fire extinguishing apparatus for an underground deep-pit cable tunnel according to the present invention;
FIG. 2 is a schematic structural diagram of a mobile superfine water mist fire extinguishing device in the mobile superfine water mist fire extinguishing equipment for the underground deep-pit cable tunnel according to the invention;
FIG. 3 is a schematic structural diagram of a limiting wheel in the mobile superfine water mist fire extinguishing equipment for the underground deep-pit cable tunnel according to the invention;
FIG. 4 is a schematic structural diagram of a metal guide rail in the mobile ultra-fine water mist fire extinguishing equipment for underground deep-pit cable tunnels, which is provided by the invention;
FIG. 5 is a schematic structural view of a driving power rod in the mobile ultra-fine water mist fire extinguishing apparatus for underground deep-pit cable tunnels according to the present invention;
FIG. 6 is a schematic structural view of a water delivery ring pipe of the mobile type underground deep-pit cable tunnel superfine water mist fire extinguishing apparatus provided by the invention;
FIG. 7 is a schematic structural diagram of an electric brush in the mobile ultra-fine water mist fire extinguishing equipment for the underground deep-pit cable tunnel according to the invention;
FIG. 8 is a schematic structural diagram of a storage tank bracket in the mobile ultra-fine water mist fire extinguishing equipment for underground deep-pit cable tunnels, which is provided by the invention;
FIG. 9 is a circuit diagram of a driving motor control circuit in the mobile ultra-fine water mist fire extinguishing equipment for underground deep-pit cable tunnels.
Detailed Description
Referring to fig. 1-9, the invention provides a mobile superfine water mist fire extinguishing apparatus for a cable tunnel in an underground deep pit, which comprises two metal guide rails 1 and a mobile superfine water mist fire extinguishing device, wherein:
two metal guide 1 are parallel and the level is arranged, and 1 both ends of metal guide all are equipped with gag lever post 35, and metal guide 1 bottom has a plurality of rail brackets 33 of fixing on ground along its extending direction interval arrangement, and rail bracket 33 passes through fixation clamp 34 to be connected with metal guide 1. Two shields 36 are arranged between the two metal guide rails 1, a fixing frame 37 fixed on the ground is arranged at the bottom of each shield 36, each shield 36 is fixed on the fixing frame 37 through a fixing buckle, a cable groove 39 fixed on the ground is arranged between the two shields 36, the cable groove 39 is made of an organic glass plate with the thickness of 0.5-1.0 mm, the whole width is 0.35-0.40 m, the height is 120-150 mm, the two shields are longitudinally laid between the two metal guide rails 1 along the metal guide rails 1, the upper portion is open, the port at one end is closed, the other end is open, through holes with the diameter of 15-18 mm are longitudinally arranged at the central line of the bottom at intervals of 3-5 m, and a cable groove support 41 is arranged at the lower bottom at intervals of 3-5 m.
The movable superfine water mist fire extinguishing device does reciprocating motion between the two limiting rods 35 and comprises a placing platform 2 with a fence 40 arranged on the periphery, and a superfine water mist fire extinguishing mechanism, a reciprocating driving mechanism and a camera shooting mechanism which are arranged on the placing platform 2.
The superfine water mist fire extinguishing mechanism comprises a clean water storage tank 3, a water conveying ring pipe 4, two water conveying pipes 5, a water conveying connecting pipe 6, a storage tank support, a spraying control button 7 and a spraying control power supply 8. The clean water storage tank 3 is a stainless steel cylinder, the wall thickness is 20-30 mm, the diameter is 500-600 mm, the height is 0.8-1.0 m, the inside containing is 80-120 kg through the clean water with impurities removed, nitrogen is filled in the storage tank, the pressure is 9.0-10.0 MPa, the storage tank is vertically placed on the upper portion of the placing platform 2, and the clean water storage tank 3 is provided with a cylinder head valve 9 communicated with the inside of the clean water storage tank. The water conveying ring pipe 4 is fixed on the placing platform 2 through a plurality of nozzle supports 14, the water conveying ring pipe 4 is provided with a plurality of superfine water mist nozzles 10, the superfine water mist nozzles 10 are ordinary stainless steel nozzles and are arranged on the water conveying ring, the nozzles are arranged on the outer side in the circumferential direction, the outlet of each nozzle faces the outer side and inclines upwards for 30 degrees, the average diameter of the sprayed superfine water mist is 30-50 micrometers, the spraying angle is 120-150 degrees, the flow coefficient is 0.95, and the water flow is 10-15 liters/minute. Two water delivery pipe 5 set up in water delivery ring canal 4 inside and two water delivery pipe 5 cross connection, and water delivery pipe 5 both ends all communicate with water delivery ring canal 4, and 6 one end of water delivery connecting pipe communicates with two water delivery pipe 5 junctions and its other end and bottle head valve 9 intercommunication. The storage tank support comprises a circular hoop 11 sleeved outside the clean water storage tank 3, and a plurality of support legs 12 fixed on the placing platform 2 are arranged at the bottom of the circular hoop 11. One end of the spraying control button 7 is connected with the spraying control power supply 8 through a cable, the other end of the spraying control button 7 is connected with the bottle head valve 9 through a cable and used for controlling the bottle head valve 9 to be opened or closed, the spraying control power supply 8 is a storage battery, the output voltage is 0-110V, and the output current is 0-10A.
The reciprocating driving mechanism is connected with the placing platform 2 and used for driving the placing platform 2 to do reciprocating motion on the two metal guide rails 1. The reciprocating travel drive mechanism includes a drive motor 18, a main drive wheel 19, a drive shaft 20, a sub drive wheel 21, a drive belt 22, two travel drive wheels 23, two travel driven wheels 24, four stopper wheels 27, two drive power source rods 25, a drive power source controller 26, and brushes. The driving motor 18 is installed on the placing platform 2, the driving motor 18 is connected with the main driving wheel 19 and used for driving the main driving wheel 19 to rotate, the two advancing driving wheels 23 are installed at two angular positions at one end of the bottom of the placing platform 2 in a rotating mode, the two advancing driving wheels 23 are installed on the two metal guide rails 1 in a sliding mode respectively, the two advancing driven wheels 24 are installed at two angular positions at the other end of the bottom of the placing platform 2 in a rotating mode, the two advancing driven wheels 24 are installed on the two metal guide rails 1 in a sliding mode respectively, two ends of the driving shaft 20 are connected with the two advancing driving wheels 23 respectively, the driven wheel 21 is installed on the. Four limiting wheels 27 are arranged at four corners of the bottom of the placing platform 2 through limiting frames, the limiting wheels 27 are horizontally arranged, and the limiting wheels 27 are tightly attached to the metal guide rail 1. Two brushes are arranged at the bottom of the placing platform 2 and connected with the driving motor 18, and the two brushes are respectively in movable contact with the two driving power rods 25 and can move along the extending direction of the driving power rods 25. The two driving power rods 25 are respectively arranged in the two shields 36, the extending direction of the driving power rods 25 is consistent with the extending direction of the metal guide rail 1, rod heads 38 for blocking the movement of the electric brushes are arranged at two ends of the driving power rods 25, the driving power rods 25 are connected with the driving power controller 26 through cables, the driving power controller 26 is connected with an external power supply, the driving power controller 26 adopts a shunt circuit to arrange contact buttons and contactors to control the rotating direction of a driving motor shaft, and the control modes include 'forward rotation', 'stop' and 'reverse rotation'.
In this embodiment, the brush includes a brush rod 28 and a brush head 29, one end of the brush rod 28 is fixedly mounted at the bottom of the mounting platform 2 through a brush fixing head 30, the other end of the brush rod 28 is provided with an elastic cover 31, and the elastic cover 31 is connected with the brush head 29 movably pressed and contacted with the surface of the driving power rod 25 through a connecting rod 32.
The mechanism of making a video recording is including making a video recording subassembly and monitor display 13, the subassembly of making a video recording includes camera bracket 15, a plurality of cameras 16, a plurality of light 17, camera bracket 15 is installed on laying platform 2, a plurality of cameras 16 are all installed on camera bracket 15, a plurality of cameras 16 are used for shooting tunnel both sides wall target area cable running image and give monitor display 13 with the image transmission, a plurality of light 17 are all installed on camera bracket 15, monitor display 13 is for the power supply of camera bracket and show the image that the subassembly was shot in real time.
The working principle of the invention is as follows: the switch K1 of the driving power controller 26 is closed, the main power supply is connected, then the buttons SB1 and SB2 are pressed, the contactor KM1 acts and is closed, the driving motor 18 is connected with a power cable, a motor distribution box, an electric brush, the driving power rod 25 and the driving power controller 26 through the driving motor and is connected with an external 220V alternating current power supply, the driving motor 18 is driven to rotate in the forward direction and drives the main driving wheel 19 to rotate coaxially and synchronously, the driven driving wheel 24 is driven to rotate through the driving belt 22, meanwhile, the driven wheel 21 drives the coaxial advancing driving wheel 23 to rotate at the same angular speed, the whole movable type superfine water mist fire extinguishing device advances along the metal guide rail 1 under the driving of the advancing driving wheel 23, and the clean water storage tank 3 and the camera shooting mechanism which are placed on the placing platform 2 advance along the. After a power button of the monitoring display 13 is pressed, the two illuminating lamps 17 are lightened, the monitoring display 13 is started, monitoring images shot by the camera 16 along the way are transmitted back to the monitoring display 13 and are displayed on the monitoring display 13 in a double-screen real-time manner, the running condition of the cable 42 in the underground deep pit cable tunnel can be monitored in real time through the displayed monitoring images, and whether the cable 42 is ignited and burnt or electric sparks occur is monitored; when the movable superfine water mist fire extinguishing device moves to the position near the end part of the underground deep pit cable tunnel, the movable superfine water mist fire extinguishing device is stopped moving under the blocking of a limiting rod 35 arranged above the metal guide rail 1; the button SB3 is pressed again, the button SB2 and the contactor KM1 are automatically disconnected, the contactor KM2 acts and is closed, the power supply of the driving motor 18 is switched on again, the driving motor 18 rotates reversely, the driving wheel 19, the driving belt 22 and the driven wheel 21 are also driven to rotate reversely, the driven wheel 21 drives the coaxially and fixedly arranged advancing driving wheel 23 to rotate reversely at the same angular speed, the whole movable superfine water mist fire extinguishing device advances along the metal guide rail 1 along the original reverse direction, images of the running state of the cable 42 monitored in the advancing process are shot, and the images are transmitted back to the monitoring display 13 to be displayed in a double-screen real-time mode; when portable superfine water smoke extinguishing device marchd near the tunnel other end along metal guide 1, receive the setting to stop again and stop advancing at metal guide 1 top gag lever post 35's the same, press button SB2 again, contactor KM1 moves and closes again, driving motor 18 switches on driving power supply once more, drive driving wheel 23 forward rotation of marcing again, portable superfine water smoke extinguishing device returns the motion again, so relapse, can realize carrying out real time monitoring to the cable condition of a fire in whole tunnel. In the reciprocating process of the mobile superfine water mist fire extinguishing device, once the cable 42 is ignited and burnt or electric sparks occur, when the mobile superfine water mist fire extinguishing device moves to the vicinity of the cable with the burning or the electric sparks, the SB1 button is pressed again, the driving motor 18 is powered off and stops rotating, the mobile superfine water mist fire extinguishing device is stopped at the vicinity of the cable with the burning or the electric sparks, then the fire extinguishing agent spraying control button 7 is pressed, the electric driving device on the bottle head valve 9 acts and opens the bottle head valve 9, clean water in the clean water storage tank 3 is sprayed out of the clean water storage tank 3 under the pressure effect, enters the superfine water mist nozzle 10 through the bottle head valve 9, the water conveying connecting pipe 6, the water conveying pipe 5 and the water conveying ring pipe 4 and sprays water mist to the area of the burning cable and is rapidly diffused to extinguish fire.
In the reciprocating process of the movable superfine water mist fire extinguishing device, the brush head 29 of the brush is always in movable elastic surface contact and is pressed on the surface of the driving power rod 25 and can freely reciprocate along the driving power rod 25 to provide power for the driving motor 18, when the brush head 29 moves to the vicinity of the end parts of the two ends of the driving power rod 25, because the two ends of the driving power rod 25 protrude out of the two ends of the metal guide rail 1 in the length direction by the length of 600-800 mm, and the two ends of the driving power rod 25 are respectively provided with a hemispherical rod head 38 made of plastic, the brush head 29 can be prevented from being separated from the driving power rod 25, and the protection effect on the driving power rod 25 and the prevention of electric shock of personnel are achieved. In the reciprocating process of the movable superfine water mist fire extinguishing device, all monitoring and fire extinguishing control cables arranged at the lower part of the placing platform 2 move together with the movable superfine water mist fire extinguishing device and are regularly laid in the inner area of the cable groove 39, so that the normal operation of the movable superfine water mist fire extinguishing device can be effectively ensured. The connection mode of the water delivery connecting pipe 5, the bottle head valve 9 and the water delivery pipe 6 adopts the locking connector for locking, which can facilitate the pipeline connection, reduce the vibration and prevent the connection pipeline from tripping in the process of spraying high-pressure water so as not to extinguish fire.
The movable superfine water mist fire extinguishing device for the underground deep-pit cable tunnel can meet the technical requirement of quick fire extinguishing of the underground deep-pit cable tunnel fire, and can achieve the aims that a fire extinguishing agent discharged during fire extinguishing is nontoxic, harmless, pollution-free, clean and environment-friendly; the fire extinguishing agent not only can meet the purpose of controlling fire in underground deep-pit cable tunnels, but also can meet the requirement of low fire extinguishing cost, and can greatly prolong the service life of the fire extinguishing agent or the protection period of replacing the fire extinguishing device once, so that the service life of the fire extinguishing agent can be prolonged to 10-15 years or even longer; not only ensures the purpose of quick and effective fire extinguishing, but also has the advantages of small volume, economy and applicability, and convenient installation, reconstruction and maintenance.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a superfine water smoke fire extinguishing apparatus of portable underground deep-pit cable tunnel which characterized in that, includes metal guide rail (1) and portable superfine water smoke extinguishing device of two parallels and horizontal arrangement, wherein:
the movable superfine water mist fire extinguishing device comprises a placing platform (2), a superfine water mist fire extinguishing mechanism, a reciprocating driving mechanism and a camera shooting mechanism, wherein the superfine water mist fire extinguishing mechanism, the reciprocating driving mechanism and the camera shooting mechanism are arranged on the placing platform (2);
the superfine water mist fire extinguishing mechanism comprises a clean water storage tank (3), a water conveying ring pipe (4), two water conveying pipes (5), a water conveying connecting pipe (6), a storage tank support, a spraying control button (7) and a spraying control power supply (8), wherein the clean water storage tank (3) is placed on a placement platform (2), a bottle head valve (9) communicated with the interior of the clean water storage tank (3) is arranged on the clean water storage tank, the water conveying ring pipe (4) is provided with a plurality of superfine water mist nozzles (10), the two water conveying pipes (5) are arranged inside the water conveying ring pipe (4) and are in cross connection with the two water conveying pipes (5), two ends of the water conveying pipes (5) are communicated with the water conveying ring pipe (4), one end of the water conveying connecting pipe (6) is communicated with the joint of the two water conveying pipes (5), and the other end of the water conveying connecting pipe is communicated with; the storage tank support comprises a circular ring hoop (11) sleeved outside the clean water storage tank (3), the bottom of the circular ring hoop (11) is provided with a plurality of support legs (12) fixed on the placing platform (2), one end of the spraying control button (7) is connected with a spraying control power supply (8) through a cable, and the other end of the spraying control button (7) is connected with the bottle head valve (9) through a cable and used for controlling the bottle head valve (9) to be opened or closed;
the reciprocating driving mechanism is connected with the placing platform (2) and is used for driving the placing platform (2) to do reciprocating motion on the two metal guide rails (1);
the camera shooting mechanism comprises a camera shooting component and a monitoring display (13), the camera shooting component is used for shooting cable running images of target areas on two side walls of the tunnel and transmitting the images to the monitoring display (13), and the monitoring display (13) supplies power to the camera shooting component and displays the images shot by the camera shooting component in real time;
in the working state, a reciprocating driving mechanism and a monitoring display (13) are connected with an external power supply, the reciprocating driving mechanism drives a placing platform (2) to do reciprocating motion on two metal guide rails (1), a plurality of camera components work to shoot running images of cables on two side walls of a tunnel, the camera components transmit the images of the running conditions of the cables to the monitoring display (13) and display the images on the monitoring display (13) in real time, when the cables are found to be on fire, the monitoring display (13) controls the reciprocating driving mechanism to drive the placing platform (2) to move to the vicinity of the cable on fire, then the reciprocating driving mechanism is disconnected from the external power supply, the reciprocating driving mechanism stops working, a spraying control button (7) is started to open a bottle head valve (9), clean water in the clean water storage tank (3) is sprayed out from the clean water storage tank (3) under the action of pressure, enters a superfine water mist nozzle (10) through a bottle head valve (9), a water conveying connecting pipe (6), a water conveying pipe (5) and a water conveying ring pipe (4) and sprays superfine water mist to reach a combustion cable area and quickly spread to extinguish fire;
the reciprocating driving mechanism comprises a driving motor (18), a main driving wheel (19), a driving shaft (20), a driven driving wheel (21), a driving belt (22), two traveling driving wheels (23), two traveling driven wheels (24), two driving power rods (25), a driving power controller (26) and brushes, wherein the driving motor (18) is arranged on the placing platform (2), the driving motor (18) is connected with the main driving wheel (19) and is used for driving the main driving wheel (19) to rotate, the two traveling driving wheels (23) are rotatably arranged at two angular positions at one end of the bottom of the placing platform (2), the two traveling driving wheels (23) are respectively and slidably arranged on the two metal guide rails (1), the two traveling driven wheels (24) are rotatably arranged at two angular positions at the other end of the bottom of the placing platform (2), and the two traveling driven wheels (24) are respectively and slidably arranged on the two metal guide, two ends of the driving shaft (20) are respectively connected with two advancing driving wheels (23), the driven driving wheel (21) is arranged on the driving shaft (20), and the driven driving wheel (21) is in transmission connection with the main driving wheel (19) through a driving belt (22); the two brushes are mounted at the bottom of the placing platform (2) and connected with the driving motor (18), the two brushes are respectively in movable contact with the two driving power rods (25) and can move along the extension direction of the driving power rods (25), the two driving power rods (25) are arranged between the two metal guide rails (1), the extension direction of the driving power rods (25) is consistent with the extension direction of the metal guide rails (1), the driving power rods (25) are connected with the driving power controller (26) through cables, and the driving power controller (26) is connected with an external power supply;
two shields (36) are arranged between the two metal guide rails (1), the bottoms of the two shields (36) are provided with fixed frames (37) fixed on the ground, the shields (36) are fixed on the fixed frames (37) through fixed clips, and the two driving power rods (25) are respectively arranged in the two shields (36);
a cable groove (39) fixed on the ground is arranged between the two shields (36);
the electric brush comprises an electric brush rod (28) and an electric brush head (29), one end of the electric brush rod (28) is fixedly arranged at the bottom of the placing platform (2) through an electric brush fixing head (30), the other end of the electric brush rod (28) is provided with an elastic cover (31), and the elastic cover (31) is connected with the electric brush head (29) which is movably pressed and contacted with the surface of the driving power rod (25) through a connecting rod (32); both ends of the driving power rod (25) are provided with rod heads (38) for blocking the electric brushes from moving.
2. Mobile ultra fine water mist fire fighting equipment for underground deep-pit cable tunnels according to claim 1, characterized in that the water delivery ring pipes (4) are fixed on the placement platform (2) by means of a plurality of nozzle supports (14).
3. The mobile type ultra-fine water mist fire extinguishing equipment for the cable tunnel in the underground pit as claimed in claim 1, wherein the camera assembly comprises a camera bracket (15), a plurality of cameras (16) and a plurality of illuminating lamps (17), the camera bracket (15) is installed on the placing platform (2), the plurality of cameras (16) are all installed on the camera bracket (15) and used for shooting cable running images of target areas on two side walls of the tunnel, and the plurality of illuminating lamps (17) are all installed on the camera bracket (15).
4. The mobile ultra-fine water mist fire extinguishing equipment for the cable tunnel in the underground pit as claimed in claim 1, wherein the reciprocating driving mechanism further comprises four limiting wheels (27), the four limiting wheels (27) are installed at four corners of the bottom of the placing platform (2) through limiting frames (43), the limiting wheels (27) are horizontally arranged, and the limiting wheels (27) are tightly attached to the metal guide rail (1).
5. A mobile ultra-fine water mist fire extinguishing apparatus for underground deep-pit cable tunnels according to any one of claims 1-3, characterized in that a plurality of rail brackets (33) fixed on the ground are arranged at intervals at the bottom of the metal rail (1) along the extending direction, and the rail brackets (33) are connected with the metal rail (1) through fixing clamps (34); both ends of the metal guide rail (1) are provided with limiting rods (35), and the movable superfine water mist fire extinguishing device does reciprocating motion between the two limiting rods (35).
6. Mobile ultra fine water mist fire fighting equipment for underground deep pit cable tunnels according to any one of claims 1-3, characterized in that fences (40) are provided around the placement platform (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810986951.9A CN109276827B (en) | 2018-08-28 | 2018-08-28 | Movable superfine water mist fire extinguishing equipment for underground deep-pit cable tunnel |
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| CN201810986951.9A CN109276827B (en) | 2018-08-28 | 2018-08-28 | Movable superfine water mist fire extinguishing equipment for underground deep-pit cable tunnel |
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| CN109276827B true CN109276827B (en) | 2020-10-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110368615A (en) * | 2019-07-24 | 2019-10-25 | 国网湖南省电力有限公司 | A kind of fire extinguishing system and extinguishing method applied to power cable tunnel |
| CN116760954B (en) * | 2023-08-18 | 2023-11-14 | 国网山东省电力公司滨州市沾化区供电公司 | Monitoring alarm system for underground cable |
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